Double-sided printing air drying equipment

Abstract

The present invention relates to a double-sided printing air-drying device, comprising a vertical rectangular bellows, wherein a feed channel and a discharge channel are respectively formed on the left and right side walls of the lower end of the bellows, and printed fabric is inserted into the bellows, wherein the printed fabric comprises two groups of left and right material belts that are vertically S-shaped and opposite to each other on the left and right sides, wherein the lower ends of the left and right material belts are both located in the middle of the bellows and are respectively connected to the horizontal feed belt and discharge belt, wherein the upper ends of the left and right material belts are respectively close to the box walls on the left and right sides of the bellows and are respectively connected to the two ends of the horizontal loading belt, and the loading belt is inserted into the bellows on the upper side of the left and right material belts. The airflow in the present air-drying device does not directly act on the surface of the fabric, but rather uses a large airflow to flow along the surface of the fabric, thereby effectively improving the drying efficiency of the printed fabric.

Description

Technical Field

[0001] The present invention relates to the technical field of air drying equipment, and more specifically, to a double-sided printing air drying equipment. Background Art

[0002] Digital printing is printing using digital technology. Digital printing technology is a high-tech product integrating machinery, computer, and electronic information technology that has gradually formed with the continuous development of computer technology. For fabrics with double-sided printing, if not dried in time, it is easy for the prints to stick together and affect the overall printing effect. Currently, the air drying equipment mainly uses air flow to blow onto the surface of the fabric for drying. However, the air flow directly blowing onto the fabric surface cannot be too large, otherwise it will damage the printing quality. As a result, the air flow blowing onto the fabric surface is relatively small, and a longer air drying material path needs to be arranged, resulting in a slower drying efficiency of the printed fabric. Summary of the Invention

[0003] The purpose of the present invention is to address the deficiencies of the prior art and provide a double-sided printing air drying equipment. The air flow inside the air drying equipment does not directly act on the fabric surface, but instead uses a large air flow to flow along the fabric surface, which can effectively improve the drying efficiency of the printed fabric.

[0004] A double-sided printing air drying equipment includes a vertically rectangular air box. Feeding channels and discharging channels are respectively formed on the left and right side walls at the lower end of the air box. A printed fabric is inserted into the air box. The printed fabric includes two groups of left and right material belts that are vertically S-shaped and opposite to each other left and right. The lower ends of the left and right material belts are both located in the middle of the air box and are respectively connected to a horizontal feeding material belt and a discharging material belt. The upper ends of the left and right material belts are respectively close to the left and right side walls of the air box and are respectively connected to both ends of a horizontal feeding belt. The feeding belt is inserted into the air box above the left and right material belts. An "冂"-shaped outer flow channel is formed between the left material belt and the left side wall of the air box, between the right material belt and the right side wall of the air box, and between the feeding belt and the upper side wall of the air box.

[0005] The front and rear sides of the printed fabric are fixed on the cloth clips of the cloth feeding chain and wound around the sprocket wheel. The sprocket wheel is hinged on the front and rear side walls of the air box.

[0006] A longitudinal air blowing pipe is inserted between the feeding material belt and the discharging material belt. Air blowing nozzles opening upwards are respectively formed on both side walls of the upper part of the air blowing pipe. A horizontal ventilation channel is inserted between the left material belt, the right material belt, and the feeding belt. A flared air receiving port that is opposite to the air blowing nozzle is formed in the middle of the ventilation channel. Longitudinal air receiving pipes are respectively inserted into the turning parts at the lower parts of the left and right material belts. Air receiving grooves are formed on the outer wall of the upper end of the air receiving pipe. The left and right ends of the ventilation channel are respectively bent to form air outlet nozzles that are opposite to the air receiving pipes.

[0007] A longitudinal exhaust duct and a return air duct are respectively inserted on the lower sides of the bends at the lower parts of the left and right material belts, and a right return air port and a left exhaust air inlet opposite to the external flow channel are respectively formed on the outer wall on the right side of the return air duct and the outer wall on the left side of the exhaust duct; a longitudinal air guide duct is respectively inserted in the bends at the upper parts of the left and right material belts, and an air guide slot is formed on the outer wall at the lower end of the air guide duct, and a left return air port and a right exhaust air inlet opposite to the air guide duct are respectively formed on the outer wall on the left side of the return air duct and the outer wall on the right side of the exhaust duct;

[0008] The front and rear ends of the blowing pipe, ventilation duct, air connecting pipe, air guide pipe, return air duct and exhaust duct are respectively fixed on the front and rear box walls of the bellows; air inlet holes and exhaust holes connected to the blowing pipe and exhaust duct are respectively formed on the front box wall of the bellows, and an air intake fan and an exhaust fan opposite to the air inlet holes and exhaust holes are respectively fixed on the front box wall of the bellows; an upper ventilation duct and a lower ventilation duct are respectively plugged and fixed on the rear box wall of the bellows, two branch pipes are formed at one end of the lower ventilation duct, the ends of the two branch pipes are respectively connected to the air connecting pipes in the right material belt and the upper material belt, and the other end of the lower ventilation duct is connected to the return air duct; the two ends of the upper ventilation duct are respectively connected to the air guide ducts in the right material belt and the upper material belt.

[0009] Preferably, two groups of booster fans are connected to the two branch pipes of the lower ventilation duct respectively, and a guide fan is connected to the upper ventilation duct. The guide fan and the booster fan are respectively fixed on the rear box wall of the air box.

[0010] Preferably, the air inlet fan, exhaust fan, booster fan and guide fan are all centrifugal fans, and the power of the air inlet fan and exhaust fan is greater than that of the booster fan and guide fan.

[0011] Preferably, the lengths of the blowing pipe, ventilation channel, air connection pipe, air guide pipe, air return pipe and exhaust pipe are all greater than the width of the printed fabric.

[0012] Preferably, the sprockets are distributed at the bends of the printed fabric, and the sprockets at the bends of the left and right material belts are respectively connected to the air receiving duct and the air guide duct through bearings, and the sprockets between the left material belt and the feed material belt, between the left material belt and the loading material belt, between the right material belt and the discharge material belt, and between the right material belt and the loading material belt are connected to the support shaft through bearings, and the support shaft is fixed on the bellows.

[0013] Preferably, the cloth feed chain is annular, the upper part of the cloth feed chain is inserted in the bellows, the lower part of the cloth feed chain is located on the lower side of the bellows, and several guide wheels are hinged on the lower end surface of the bellows, the feed channel and the discharge channel, and the cloth feed chain is wound around the guide wheels.

[0014] The beneficial effects of the present invention are:

[0015] The air flow inside this air-drying device does not directly act on the surface of the fabric. Instead, a large air flow is used to flow along the surface of the fabric, which can effectively improve the air-drying efficiency of the printed fabric. Brief Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the front view of the present invention;

[0017] Figure 2 It is a schematic structural diagram of the rear view of the present invention;

[0018] Figure 3 It is a schematic cross-sectional view in the front view direction of the present invention.

[0019] In the figure: 1, air box; 11, feed channel; 12, discharge channel; 2, printed fabric; 21, left material belt; 22, right material belt; 23, feed material belt; 224, discharge material belt; 25, loading material belt; 4, air blowing pipe; 41, air blowing nozzle; 5, ventilation channel; 51, air inlet; 52, air outlet nozzle; 6, air connection pipe; 7, air guiding pipe; 8, return air pipe; 81, left return air inlet; 82, right return air inlet; 9, exhaust pipe; 91, right exhaust inlet; 92, left exhaust inlet; 10, sprocket wheel; 20, intake fan; 30, exhaust fan; 40, upper ventilation pipe; 50, lower ventilation pipe; 60, air guiding fan; 70, booster fan. Detailed Embodiment

[0020] Embodiment: As shown in Figures 1 to 3 A double-sided printed air-drying device includes a vertically rectangular air box 1. Feed channels 11 and discharge channels 12 are respectively formed on the left and right side walls at the lower end of the air box 1. A printed fabric 2 is inserted into the air box 1. The printed fabric 2 includes two groups of left material belts 21 and right material belts 22 that are vertically S-shaped and opposite to each other on the left and right. The lower ends of the left material belt 21 and the right material belt 22 are both located in the middle of the air box 1 and are respectively connected to the horizontal feed material belt 23 and discharge material belt 24. The upper ends of the left material belt 21 and the right material belt 22 are respectively close to the box walls on the left and right sides of the air box 1 and are respectively connected to both ends of the horizontal loading material belt 25. The loading material belt 25 is inserted into the air box 1 above the left material belt 21 and the right material belt 22. An "L"-shaped outer flow channel is formed between the left material belt 21 and the left box wall of the air box 1, between the right material belt 22 and the right box wall of the air box 1, and between the loading material belt 25 and the upper box wall of the air box 1;

[0021] The front and rear sides of the printed fabric 2 are fixed on the cloth clips of the cloth feeding chain and wound around the sprocket wheel 10. The sprocket wheel 10 is hinged on the front and rear box walls of the air box 1; [[ID="28"]]

[0022] A longitudinal blowing pipe 4 is inserted between the feeding material belt 23 and the discharging material belt 24, and a blowing nozzle 41 with an upward opening is formed on both side walls of the upper part of the blowing pipe 4; a horizontal ventilation channel 5 is inserted between the left material belt 21, the right material belt 22 and the upper material belt 25, and a trumpet-shaped air receiving port 51 is formed in the middle of the ventilation channel 5 and is opposite to the blowing nozzle 41. A longitudinal air receiving pipe 6 is respectively inserted in the turning part of the lower part of the left material belt 21 and the right material belt 22, and an air receiving groove is formed on the outer wall of the upper end of the air receiving pipe 6. The left and right ends of the ventilation channel 5 are respectively bent to form an air outlet nozzle 52 opposite to the air receiving pipe 6;

[0023] A longitudinal exhaust duct 9 and a return air duct 8 are respectively inserted on the lower sides of the lower bends of the left and right material belts 21 and 22, and a right return air port 82 and a left exhaust air inlet 92 opposite to the external flow channel are respectively formed on the outer wall on the right side of the return air duct 8 and the outer wall on the left side of the exhaust air duct 9; a longitudinal air guide duct 7 is respectively inserted in the bends of the upper parts of the left and right material belts 21 and 22, and an air guide slot is formed on the outer wall at the lower end of the air guide duct 7, and a left return air port 81 and a right exhaust air inlet 91 opposite to the air guide duct 7 are respectively formed on the outer wall on the left side of the return air duct 8 and the outer wall on the right side of the exhaust air duct 9;

[0024] The front and rear ends of the blowing pipe 4, ventilation duct 5, air connecting pipe 6, air guide pipe 7, return air pipe 8 and exhaust pipe 9 are respectively fixed on the front and rear box walls of the bellows 1; air inlet holes and air exhaust holes connected to the blowing pipe 4 and the exhaust pipe 9 are respectively formed on the front box wall of the bellows 1, and an air intake fan 20 and an exhaust fan 30 opposite to the air inlet holes and the exhaust holes are respectively fixed on the front box wall of the bellows 1. An upper ventilation pipe 40 and a lower ventilation pipe 50 are respectively plugged and fixed on the rear box wall of the bellows 1, and two branch pipes are formed at one end of the lower ventilation pipe 50. The ends of the two branch pipes are respectively connected to the air connecting pipe 6 in the right material belt 22 and the upper material belt 25, and the other end of the lower ventilation pipe 50 is connected to the return air pipe 8; the two ends of the upper ventilation pipe 40 are respectively connected to the air guide pipe 7 in the right material belt 22 and the upper material belt 25.

[0025] The two branch pipes of the lower ventilation pipe 50 are respectively connected to two groups of booster fans 70, and the upper ventilation pipe 40 is connected to a guide fan 60. The guide fan 60 and the booster fan 70 are respectively fixed on the rear box wall of the wind box 1.

[0026] The air inlet fan 20 , the exhaust fan 30 , the booster fan 70 and the guide fan 60 are all centrifugal fans, and the power of the air inlet fan 20 and the exhaust fan 30 is greater than that of the booster fan 70 and the guide fan 60 .

[0027] The lengths of the blowing pipe 4 , the ventilation channel 5 , the air receiving pipe 6 , the air guide pipe 7 , the air return pipe 8 and the exhaust pipe 9 are all greater than the width of the printed fabric 2 .

[0028] The sprockets 10 are distributed at the turning points of the printed fabric 2. The sprockets 10 at the turning points of the left material belt 21 and the right material belt 22 are respectively connected to the air receiving duct 6 and the air guide duct 7 through bearings. The sprockets 10 between the left material belt 21 and the feed material belt 23, between the left material belt 21 and the loading material belt 25, between the right material belt 22 and the discharge material belt 24, and between the right material belt 22 and the loading material belt 25 are connected to support shafts through bearings, and the support shafts are fixed on the bellows 1.

[0029] The cloth feed chain is ring-shaped, the upper part of the cloth feed chain is inserted into the bellows 1, and the lower part of the cloth feed chain is located on the lower side of the bellows 1. Several guide wheels are hinged on the lower end surface of the bellows 1 and in the feed channel 11 and the discharge channel 12, and the cloth feed chain is wound around the guide wheels.

[0030] A circulation pipe is connected between the air inlet fan 20 and the exhaust fan 30. A heating component is fixed in the circulation pipe. The heating component can be an electric heating element, such as a heating rod, etc. An exhaust hole is provided on the circulation pipe at the heating component.

[0031] Working Principle: The present invention is a double-sided printing air-drying device. The main body of the air-drying device is a bellows 1, which is provided with a cloth feeding chain. The printed fabric 2 moves in the bellows 1 through the cloth feeding chain. However, the technical point is the layout structure of the printed fabric 2 in the bellows 1 and the corresponding arrangement of the blowing pipe 4, ventilation channel 5, air connection pipe 6, air guide pipe 7, return air pipe 8 and exhaust pipe 9. The air flow along the printed fabric 2 is realized, and it does not blow directly on the surface of the printed fabric 2. The high-speed air flow is used to remove the moisture in the bellows 1, thereby improving the air-drying efficiency.

[0032] The air flow in the bellows 1 can be divided into three parts, such as Figure 3 As shown, the airflow direction of the first part is Figure 3 The double arrows indicate that the airflow is output through the blowing pipe 4, enters the ventilation channel 5, and enters the left material belt 21 and the right material belt 22 respectively; the direction of the second part of the airflow is indicated by three arrows, which is mainly a part of the airflow that will flow back from the left material belt 21 and the right material belt 22, output through the left return air port 81 of the return air pipe 8, and finally enter the exhaust pipe 9, and its airflow flows in the middle of the wind box 1; the direction of the third part of the airflow is indicated by a single arrow, which is another part of the airflow that will flow back from the left material belt 21 and the right material belt 22, mainly flowing along the outer flow channel in the wind box 1, and finally entering the exhaust pipe 9 for discharge;

[0033] Moreover, the direction of the airflow of the right material belt 22 on the discharge side of the bellows 1 is mostly opposite to the running direction of the printed cloth 2, ensuring that the printed cloth 2 is air-dried.

[0034] The embodiments are intended to illustrate the present invention and are not intended to limit the present invention. Any person skilled in the art may modify the embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be as set forth in the claims of the present invention.

Claims

1. A double-sided printing and air-drying device, comprising a vertically rectangular air box (1). Feed channels (11) and discharge channels (12) are respectively formed on the left and right side walls at the lower end of the air box (1). A printed fabric (2) is inserted into the air box (1). The printed fabric (2) includes two groups of left and right opposite left material tapes (21) and right material tapes (22) that are vertically S-shaped. The lower ends of the left material tape (21) and the right material tape (22) are both located in the middle of the air box (1) and are respectively connected to a horizontal feed material tape (23) and a discharge material tape (24). The upper ends of the left material tape (21) and the right material tape (22) are respectively close to the box walls on the left and right sides of the air box (1) and are respectively connected to both ends of a horizontal loading tape (25). The loading tape (25) is inserted into the air box (1) above the left material tape (21) and the right material tape (22). An "冂"-shaped outer flow channel is formed between the left material tape (21) and the left box wall of the air box (1), between the right material tape (22) and the right box wall of the air box (1), and between the loading tape (25) and the upper box wall of the air box (1); The front and rear sides of the printed fabric (2) are fixed on the cloth clips of the cloth feeding chain and wound around a sprocket (10). The sprocket (10) is hinged on the front and rear box walls of the air box (1); A longitudinal air blowing pipe (4) is inserted between the feed material tape (23) and the discharge material tape (24). Air blowing nozzles (41) with upward openings are respectively formed on both side walls of the upper part of the air blowing pipe (4). A horizontal ventilation channel (5) is inserted between the left material tape (21), the right material tape (22) and the loading tape (25). A receiving air port (51) in the shape of a flared mouth and facing the air blowing nozzle (41) is formed in the middle of the ventilation channel (5). Longitudinal air receiving pipes (6) are respectively inserted into the bends at the lower parts of the left material tape (21) and the right material tape (22). Air receiving grooves are formed on the outer walls of the upper ends of the air receiving pipes (6). Air outlet nozzles (52) facing the air receiving pipes (6) are respectively formed by bending the left and right ends of the ventilation channel (5); Longitudinal exhaust pipes (9) and return air pipes (8) are respectively inserted below the bends at the lower parts of the left material tape (21) and the right material tape (22). Right return air ports (82) and left exhaust inlets (92) opposite to the outer flow channel are respectively formed on the outer walls on the right side of the return air pipe (8) and on the left side of the exhaust pipe (9). Longitudinal air guiding pipes (7) are respectively inserted into the bends at the upper parts of the left material tape (21) and the right material tape (22). Air guiding slots are formed on the outer walls of the lower ends of the air guiding pipes (7). Left return air ports (81) and right exhaust inlets (91) opposite to the air guiding pipes (7) are respectively formed on the outer walls on the left side of the return air pipe (8) and on the right side of the exhaust pipe (9); The front and rear ends of the blowing pipe (4), ventilation channel (5), air connection pipe (6), air guide pipe (7), return air pipe (8) and exhaust pipe (9) are respectively fixed on the front and rear box walls of the bellows (1); an air inlet hole and an air outlet hole connected to the blowing pipe (4) and the exhaust pipe (9) are respectively formed on the front box wall of the bellows (1); an air inlet fan (20) and an exhaust fan (30) facing the air inlet hole and the exhaust hole are respectively fixed on the front box wall of the bellows (1); 1) are respectively plugged and fixed on the rear box wall of the upper ventilation duct (40) and the lower ventilation duct (50), one end of the lower ventilation duct (50) is formed with two branch pipes, the ends of the two branch pipes are respectively connected to the air receiving pipe (6) in the right material belt (22) and the upper material belt (25), and the other end of the lower ventilation duct (50) is connected to the return air pipe (8); the two ends of the upper ventilation duct (40) are respectively connected to the air guide pipe (7) in the right material belt (22) and the upper material belt (25).

2. The double-sided printing air-drying device according to claim 1, characterized in that: Two groups of booster fans (70) are respectively connected to the two branch pipes of the lower ventilation pipe (50), and the upper ventilation pipe (40) is connected to a guide fan (60). The guide fan (60) and the booster fan (70) are respectively fixed to the rear box wall of the wind box (1).

3. The double-sided printing air-drying device according to claim 2, characterized in that: The air inlet fan (20), the exhaust fan (30), the booster fan (70) and the guide fan (60) are all centrifugal fans, and the power of the air inlet fan (20) and the exhaust fan (30) is greater than that of the booster fan (70) and the guide fan (60).

4. The double-sided printing air-drying device according to claim 1, characterized in that: The lengths of the blowing pipe (4), ventilation channel (5), air connection pipe (6), air guide pipe (7), return air pipe (8) and exhaust pipe (9) are all greater than the width of the printed fabric (2).

5. The double-sided printing air-drying device according to claim 4, characterized in that: The sprockets (10) are distributed at the bends of the printed fabric (2). The sprockets (10) at the bends of the left material belt (21) and the right material belt (22) are connected to the air receiving duct (6) and the air guide duct (7) through bearings, respectively. The sprockets (10) between the left material belt (21) and the feed material belt (23), between the left material belt (21) and the upper material belt (25), between the right material belt (22) and the discharge material belt (24), and between the right material belt (22) and the upper material belt (25) are connected to support shafts through bearings, and the support shafts are fixed to the bellows (1).

6. The double-sided printing air-drying device according to claim 1, characterized in that: The cloth feed chain is annular, the upper part of the cloth feed chain is inserted into the bellows (1), the lower part of the cloth feed chain is located on the lower side of the bellows (1), and a plurality of guide wheels are hinged on the lower end surface of the bellows (1), the feed channel (11) and the discharge channel (12), respectively, and the cloth feed chain is wound around the guide wheels.

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